Fire Sprinkler Installation: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
Are sprinklers required in new homes?
The model residential code includes them, but many states and cities have removed or modified the requirement; ask your building department.
What is the difference between 13, 13R and 13D?
13 covers most buildings, 13R low-rise residential and 13D one- and two-family homes.
How often are sprinklers inspected?
NFPA 25 sets intervals from monthly to five-yearly depending on the component.